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[loo-pee] /ˈlu pi/
adjective, loopier, loopiest.
full of loops.
  1. eccentric; crazy; dotty.
  2. befuddled or confused, especially due to intoxication.
Scot. crafty; sly.
Origin of loopy
First recorded in 1815-25; loop1 + -y1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for loopy
Contemporary Examples
Historical Examples
  • Sometimes this path is loopy, and its little nods correspond to nutation.

    Pioneers of Science Oliver Lodge
  • "You don't have to hold him," called Captain Burgee, dismounting from loopy the mate.

    Sugar Plum

    Reginald Bretnor
  • Under it was written in her black, loopy handwriting, "My Hero and my Love."

    Shadows of Flames Amelie Rives
  • I should use very thick worsted and make very big, loopy, spready stitches.

    If You Touch Them They Vanish Gouverneur Morris
British Dictionary definitions for loopy


adjective loopier, loopiest
full of loops; curly or twisted
(informal) slightly mad, crazy, or stupid
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for loopy

"full of loops," 1856, from loop + -y (2). Slang sense "crazy" is attested from 1923. Earlier figurative sense was "cunning, deceitful" (by 1825).

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for loopy



Crazy; silly; nutty: that loopy guy whose handkerchief you cry into/ visually complemented the singer's loopy Balkan bop/ even loopier bids for the few works in Wood's small mature oeuvre (1925+)

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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